Home / 119,819.44-165,344.72-72,063.60

Finding the Fourth Proportional to 119,819.44, 165,344.72 and 72,063.60

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Solution

The fourth proportional to 119,819.44, 165,344.72 and 72,063.60 is: 99,444.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,819.44 : 165,344.72 = 72,063.60 : x
  2. Step 2: Convert to fraction form
    119,819.44/165,344.72 = 72,063.60/x
  3. Step 3: Cross multiply
    119,819.44x = 165,344.72 × 72,063.60
  4. Step 4: Simplify right side
    119,819.44x = 11,915,335,764.19
  5. Step 5: Solve for x
    x = 11,915,335,764.19/119,819.44
  6. Step 6: Final answer
    x = 99,444.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.